A close-up of the of the red pencil urchin's (Heterocentrotus mammillatus) spines and skeleton (test).

Anenome shrimp (Periclemenes sp.).

A spotted cleaner shrimp (Periclimenes yucatanicus) in a pink-tipped anemone.

A banded coral shrimp (Stenopus hispidus) it the Bahamas.

A cuttlefish (Sepia officinalis) at dusk.

A crinoid (Crinoid sp) looking stylish at night.

Atlantic triton's trumpet (Charonia variegata) feeding on a cushion sea star (Oreaster reticulatus). Sea stars are the triton’s primary prey item. A trumpet snail paralizes its prey with an injection of toxic saliva, and then bores through the body with its strong teeth. Adult trumpets are heavily collected for their beautiful shells, which has allowed sea star populations to proliferate in recent years.